Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Missed aneurysm. Aneurysm missed by each neuroradiologist on the CT Angiography (CTA). a Non-contrast CT displaying the aneurismal SAH pattern. b CTA showing the posterior communicating aneurysm (arrow). c 3D reconstruction of the CTA showing the aneurysm filled with contrast material, appearing to be continuous with the sphenoid bone (arrow). d Angiogram of the same 3 mm aneurysm on the posterior communicating artery (arrow)
